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:returns: A list containing a :obj:`Gtk.TreePath` for each selected row and a :obj:`Gtk.TreeModel` or :obj:`None`. :rtype: (:obj:`Gtk.TreeModel`, [:obj:`Gtk.TreePath`]) {{ docs }} def get_selected_rows(self): """ :returns: A list containing a :obj:`...
Set the value of the child model def set_value(self, iter, column, value): """Set the value of the child model""" # Delegate to child model iter = self.convert_iter_to_child_iter(iter) self.get_model().set_value(iter, column, value)
Returns the module or raises ForeignError def get_foreign_module(namespace): """Returns the module or raises ForeignError""" if namespace not in _MODULES: try: module = importlib.import_module("." + namespace, __package__) except ImportError: module = None _MODU...
Returns a ForeignStruct implementation or raises ForeignError def get_foreign_struct(namespace, name): """Returns a ForeignStruct implementation or raises ForeignError""" get_foreign_module(namespace) try: return ForeignStruct.get(namespace, name) except KeyError: raise ForeignError("...
Raises ImportError if the specified foreign module isn't supported or the needed dependencies aren't installed. e.g.: check_foreign('cairo', 'Context') def require_foreign(namespace, symbol=None): """Raises ImportError if the specified foreign module isn't supported or the needed dependencies aren't i...
io_add_watch(channel, priority, condition, func, *user_data) -> event_source_id def io_add_watch(*args, **kwargs): """io_add_watch(channel, priority, condition, func, *user_data) -> event_source_id""" channel, priority, condition, func, user_data = _io_add_watch_get_args(*args, **kwargs) return GLib.io_add...
child_watch_add(priority, pid, function, *data) def child_watch_add(*args, **kwargs): """child_watch_add(priority, pid, function, *data)""" priority, pid, function, data = _child_watch_add_get_args(*args, **kwargs) return GLib.child_watch_add(priority, pid, function, *data)
Create a GVariant object from given format and argument list. This method recursively calls itself for complex structures (arrays, dictionaries, boxed). Return a tuple (variant, rest_format, rest_args) with the generated GVariant, the remainder of the format string, and the remainder o...
Handle the case where the outermost type of format is a tuple. def _create_tuple(self, format, args): """Handle the case where the outermost type of format is a tuple.""" format = format[1:] # eat the '(' if args is None: # empty value: we need to call _create() to parse the subty...
Handle the case where the outermost type of format is a dict. def _create_dict(self, format, args): """Handle the case where the outermost type of format is a dict.""" builder = None if args is None or not args[0]: # empty value: we need to call _create() to parse the subtype, ...
Handle the case where the outermost type of format is an array. def _create_array(self, format, args): """Handle the case where the outermost type of format is an array.""" builder = None if args is None or not args[0]: # empty value: we need to call _create() to parse the subtype,...
Decompose a GVariant into a native Python object. def unpack(self): """Decompose a GVariant into a native Python object.""" LEAF_ACCESSORS = { 'b': self.get_boolean, 'y': self.get_byte, 'n': self.get_int16, 'q': self.get_uint16, 'i': self.get...
Return a list of the element signatures of the topmost signature tuple. If the signature is not a tuple, it returns one element with the entire signature. If the signature is an empty tuple, the result is []. This is useful for e. g. iterating over method parameters which are passed as...
Maps a GITypeInfo() to a ctypes type. The ctypes types have to be different in the case of return values since ctypes does 'auto unboxing' in some cases which gives us no chance to free memory if there is a ownership transfer. def typeinfo_to_ctypes(info, return_value=False): """Maps a GITypeInfo() to...
Returns a pointer containing the value. This only works for int32/uint32/utf-8.. def pack_pointer(self, name): """Returns a pointer containing the value. This only works for int32/uint32/utf-8.. """ return self.parse(""" raise $_.TypeError('Can\\'t convert %(type_name)s to po...
Takes bytes and returns a GITypelib, or raises GIError def new_from_memory(cls, data): """Takes bytes and returns a GITypelib, or raises GIError""" size = len(data) copy = g_memdup(data, size) ptr = cast(copy, POINTER(guint8)) try: with gerror(GIError) as error: ...
Get the subtype class for a pointer def _get_type(cls, ptr): """Get the subtype class for a pointer""" # fall back to the base class if unknown return cls.__types.get(lib.g_base_info_get_type(ptr), cls)
Add a method to the target class def add_method(info, target_cls, virtual=False, dont_replace=False): """Add a method to the target class""" # escape before prefixing, like pygobject name = escape_identifier(info.name) if virtual: name = "do_" + name attr = VirtualMethodAttribute(info,...
Creates a GInterface class def InterfaceAttribute(iface_info): """Creates a GInterface class""" # Create a new class cls = type(iface_info.name, (InterfaceBase,), dict(_Interface.__dict__)) cls.__module__ = iface_info.namespace # GType cls.__gtype__ = PGType(iface_info.g_type) # Properti...
Create a new class for a gtype not in the gir. The caller is responsible for caching etc. def new_class_from_gtype(gtype): """Create a new class for a gtype not in the gir. The caller is responsible for caching etc. """ if gtype.is_a(PGType.from_name("GObject")): parent = gtype.parent.pyty...
Creates a GObject class. It inherits from the base class and all interfaces it implements. def ObjectAttribute(obj_info): """Creates a GObject class. It inherits from the base class and all interfaces it implements. """ if obj_info.name == "Object" and obj_info.namespace == "GObject": cl...
Get a hopefully cache constructor def _generate_constructor(cls, names): """Get a hopefully cache constructor""" cache = cls._constructors if names in cache: return cache[names] elif len(cache) > 3: cache.clear() func = generate_constructor(cls, names) ...
set_property(property_name: str, value: object) Set property *property_name* to *value*. def set_property(self, name, value): """set_property(property_name: str, value: object) Set property *property_name* to *value*. """ if not hasattr(self.props, name): raise Ty...
get_property(property_name: str) -> object Retrieves a property value. def get_property(self, name): """get_property(property_name: str) -> object Retrieves a property value. """ if not hasattr(self.props, name): raise TypeError("Unknown property: %r" % name) ...
connect(detailed_signal: str, handler: function, *args) -> handler_id: int The connect() method adds a function or method (handler) to the end of the list of signal handlers for the named detailed_signal but before the default class signal handler. An optional set of parameters may be s...
connect_after(detailed_signal: str, handler: function, *args) -> handler_id: int The connect_after() method is similar to the connect() method except that the handler is added to the signal handler list after the default class signal handler. Otherwise the details of handler definition ...
Make the Python instance take ownership of the GIBaseInfo. i.e. unref if the python instance gets gc'ed. def _take_ownership(self): """Make the Python instance take ownership of the GIBaseInfo. i.e. unref if the python instance gets gc'ed. """ if self: ptr = cast(se...
Casts a GIBaseInfo instance to the right sub type. The original GIBaseInfo can't have ownership. Will take ownership. def _cast(cls, base_info, take_ownership=True): """Casts a GIBaseInfo instance to the right sub type. The original GIBaseInfo can't have ownership. Will take o...
Decodes the return value of it isn't None def decode_return(codec="ascii"): """Decodes the return value of it isn't None""" def outer(f): def wrap(*args, **kwargs): res = f(*args, **kwargs) if res is not None: return res.decode(codec) return res ...
Takes a library name and calls find_library in case loading fails, since some girs don't include the real .so name. Raises OSError like LoadLibrary if loading fails. e.g. javascriptcoregtk-3.0 should be libjavascriptcoregtk-3.0.so on unix def load_ctypes_library(name): """Takes a library name and cal...
Escape partial C identifiers so they can be used as attributes/arguments def escape_identifier(text, reg=KWD_RE): """Escape partial C identifiers so they can be used as attributes/arguments""" # see http://docs.python.org/reference/lexical_analysis.html#identifiers if not text: return "_" ...
Cache the return value of a function without arguments def cache_return(func): """Cache the return value of a function without arguments""" _cache = [] def wrap(): if not _cache: _cache.append(func()) return _cache[0] return wrap
Might return a struct def lookup_name_fast(self, name): """Might return a struct""" if name in self.__names: return self.__names[name] count = self.__get_count_cached() lo = 0 hi = count while lo < hi: mid = (lo + hi) // 2 if self.__...
Returns a struct if one exists def lookup_name_slow(self, name): """Returns a struct if one exists""" for index in xrange(self.__get_count_cached()): if self.__get_name_cached(index) == name: return self.__get_info_cached(index)
Returns a struct if one exists def lookup_name(self, name): """Returns a struct if one exists""" try: info = self._get_by_name(self._source, name) except NotImplementedError: pass else: if info: return info return ...
Creates a new class similar to namedtuple. Pass a list of field names or None for no field name. >>> x = ResultTuple._new_type([None, "bar"]) >>> x((1, 3)) ResultTuple(1, bar=3) def _new_type(cls, args): """Creates a new class similar to namedtuple. Pass a list of fie...
Returns a list of signal names for the given type :param type\\_: :type type\\_: :obj:`GObject.GType` :returns: A list of signal names :rtype: :obj:`list` def signal_list_names(type_): """Returns a list of signal names for the given type :param type\\_: :type type\\_: :obj:`GObject.GType`...
Blocks the signal handler from being invoked until handler_unblock() is called. :param GObject.Object obj: Object instance to block handlers for. :param int handler_id: Id of signal to block. :returns: A context manager which optionally can be used to automatically unblo...
Parse a detailed signal name into (signal_id, detail). :param str detailed_signal: Signal name which can include detail. For example: "notify:prop_name" :returns: Tuple of (signal_id, detail) :raises ValueError: If the given signal is unknown. def signal_parse_name(detailed...
cached: Return a new instance internal: return a shared instance that's not the ctypes cached one def find_library(name, cached=True, internal=True): """ cached: Return a new instance internal: return a shared instance that's not the ctypes cached one """ # a new one if not cac...
Track an object which needs destruction when it is garbage collected. def track(cls, obj, ptr): """ Track an object which needs destruction when it is garbage collected. """ cls._objects.add(cls(obj, ptr))
Convert a D-BUS return variant into an appropriate return value def _unpack_result(klass, result): '''Convert a D-BUS return variant into an appropriate return value''' result = result.unpack() # to be compatible with standard Python behaviour, unbox # single-element tuples and return...
:param type: a Python GObject instance or type that the signal is associated with :type type: :obj:`GObject.Object` :returns: a list of :obj:`GObject.ParamSpec` :rtype: [:obj:`GObject.ParamSpec`] Takes a GObject/GInterface subclass or a GType and returns a list of GParamSpecs for all properties of...
Loads overrides for an introspection module. Either returns the same module again in case there are no overrides or a proxy module including overrides. Doesn't cache the result. def load_overrides(introspection_module): """Loads overrides for an introspection module. Either returns the same module ag...
Takes a override class or function and assigns it dunder arguments form the overidden one. def override(klass): """Takes a override class or function and assigns it dunder arguments form the overidden one. """ namespace = klass.__module__.rsplit(".", 1)[-1] mod_name = const.PREFIX[-1] + "." + ...
Mark a function deprecated so calling it issues a warning def deprecated(function, instead): """Mark a function deprecated so calling it issues a warning""" # skip for classes, breaks doc generation if not isinstance(function, types.FunctionType): return function @wraps(function) def wrap...
Marks a module level attribute as deprecated. Accessing it will emit a PyGIDeprecationWarning warning. e.g. for ``deprecated_attr("GObject", "STATUS_FOO", "GLib.Status.FOO")`` accessing GObject.STATUS_FOO will emit: "GObject.STATUS_FOO is deprecated; use GLib.Status.FOO instead" :param str na...
Wrapper for deprecating GObject based __init__ methods which specify defaults already available or non-standard defaults. :param callable super_init_func: Initializer to wrap. :param list arg_names: Ordered argument name list. :param list ignore: List of argument names to ignore...
Translate method's return value for stripping off success flag. There are a lot of methods which return a "success" boolean and have several out arguments. Translate such a method to return the out arguments on success and None on failure. def strip_boolean_result(method, exc_type=None, exc_str=None, fail...
Raises ImportError def get_introspection_module(namespace): """Raises ImportError""" if namespace in _introspection_modules: return _introspection_modules[namespace] from . import get_required_version repository = GIRepository() version = get_required_version(namespace) try: ...
Returns a ReturnValue instance for param type 'index def get_param_type(self, index): """Returns a ReturnValue instance for param type 'index'""" assert index in (0, 1) type_info = self.type.get_param_type(index) type_cls = get_return_class(type_info) instance = type_cls(None,...
Parse a piece of text and substitude $var by either unique variable names or by the given kwargs mapping. Use $$ to escape $. Returns a CodeBlock and the resulting variable mapping. parse("$foo = $foo + $bar", bar="1") ("t1 = t1 + 1", {'foo': 't1', 'bar': '1'}) def parse_code(code, var_factory, **kwa...
Parse code and include non string/codeblock kwargs as dependencies. int/long will be inlined. Returns a CodeBlock and the resulting variable mapping. def parse_with_objects(code, var, **kwargs): """Parse code and include non string/codeblock kwargs as dependencies. int/long will be inlined. ...
Request a name, might return the name or a similar one if already used or reserved def request_name(self, name): """Request a name, might return the name or a similar one if already used or reserved """ while name in self._blacklist: name += "_" self._blackl...
Add a code dependency so it gets inserted into globals def add_dependency(self, name, obj): """Add a code dependency so it gets inserted into globals""" if name in self._deps: if self._deps[name] is obj: return raise ValueError( "There exists a d...
Append this block to another one, passing all dependencies def write_into(self, block, level=0): """Append this block to another one, passing all dependencies""" for line, l in self._lines: block.write_line(line, level + l) for name, obj in _compat.iteritems(self._deps): ...
Append multiple new lines def write_lines(self, lines, level=0): """Append multiple new lines""" for line in lines: self.write_line(line, level)
Execute the python code and returns the global dict. kwargs can contain extra dependencies that get only used at compile time. def compile(self, **kwargs): """Execute the python code and returns the global dict. kwargs can contain extra dependencies that get only used at compile...
Print the code block to stdout. Does syntax highlighting if possible. def pprint(self, file_=sys.stdout): """Print the code block to stdout. Does syntax highlighting if possible. """ code = [] if self._deps: code.append("# dependencies:") for k, v in...
Class decorator def register(cls, namespace, name): """Class decorator""" def func(kind): cls._FOREIGN[(namespace, name)] = kind() return kind return func
If may_be_null returns nullable or if NULL can be passed in. This can still be wrong if the specific typelib is older than the linked libgirepository. https://bugzilla.gnome.org/show_bug.cgi?id=660879#c47 def may_be_null_is_nullable(): """If may_be_null returns nullable or if NULL can be passed in. ...
Gives a name for a type that is suitable for a docstring. int -> "int" Gtk.Window -> "Gtk.Window" [int] -> "[int]" {int: Gtk.Button} -> "{int: Gtk.Button}" def get_type_name(type_): """Gives a name for a type that is suitable for a docstring. int -> "int" Gtk.Window -> "Gtk.Window" [i...
Create a docstring in the form: name(in_name: type) -> (ret_type, out_name: type) def build_docstring(func_name, args, ret, throws, signal_owner_type=None): """Create a docstring in the form: name(in_name: type) -> (ret_type, out_name: type) """ out_args = [] if ret and not ret.ignore:...
Creates a Python callable for a GIFunctionInfo instance def generate_function(info, method=False): """Creates a Python callable for a GIFunctionInfo instance""" assert isinstance(info, GIFunctionInfo) arg_infos = list(info.get_args()) arg_types = [a.get_type() for a in arg_infos] return_type = in...
Takes a GICallableInfo and generates a dummy callback function which just raises but has a correct docstring. They are mainly accessible for documentation, so the API reference can reference a real thing. func_name can be different than info.name because vfuncs, for example, get prefixed with 'do_' whe...
Returns a new shiny class for the given enum type def _create_enum_class(ffi, type_name, prefix, flags=False): """Returns a new shiny class for the given enum type""" class _template(int): _map = {} @property def value(self): return int(self) def __str__(self): ...
Converts some common enum expressions to constants def _fixup_cdef_enums(string, reg=re.compile(r"=\s*(\d+)\s*<<\s*(\d+)")): """Converts some common enum expressions to constants""" def repl_shift(match): shift_by = int(match.group(2)) value = int(match.group(1)) int_value = ctypes.c_i...
Takes a glist, copies the values casted to type_ in to a list and frees all items and the list. def unpack_glist(g, type_, transfer_full=True): """Takes a glist, copies the values casted to type_ in to a list and frees all items and the list. """ values = [] item = g while item: pt...
Takes a null terminated array, copies the values into a list and frees each value and the list. def unpack_nullterm_array(array): """Takes a null terminated array, copies the values into a list and frees each value and the list. """ addrs = cast(array, POINTER(ctypes.c_void_p)) l = [] i = ...
Set a version for the namespace to be loaded. This needs to be called before importing the namespace or any namespace that depends on it. def require_version(namespace, version): """Set a version for the namespace to be loaded. This needs to be called before importing the namespace or any namespace...
A context manager which tries to give helpful warnings about missing gi.require_version() which could potentially break code if only an older version than expected is installed or a new version gets introduced. :: with _check_require_version("Gtk", stacklevel): load_namespace_and_o...
Returns the stacklevel value for warnings.warn() for when the warning gets emitted by an imported module, but the warning should point at the code doing the import. Pass import_hook=True if the warning gets generated by an import hook (warn() gets called in load_module(), see PEP302) def get_import_st...
Takes a glist ptr, copies the values casted to type_ in to a list and frees all items and the list. If an item is returned all yielded before are invalid. def unpack_glist(glist_ptr, cffi_type, transfer_full=True): """Takes a glist ptr, copies the values casted to type_ in to a list and frees all item...
Converts a zero terminated array to a list and frees each element and the list itself. If an item is returned all yielded before are invalid. def unpack_zeroterm_array(ptr): """Converts a zero terminated array to a list and frees each element and the list itself. If an item is returned all yielde...
Creates a new struct class. def StructureAttribute(struct_info): """Creates a new struct class.""" # Copy the template and add the gtype cls_dict = dict(_Structure.__dict__) cls = type(struct_info.name, _Structure.__bases__, cls_dict) cls.__module__ = struct_info.namespace cls.__gtype__ = PGTy...
Creates a GError exception and takes ownership if own is True def _from_gerror(cls, error, own=True): """Creates a GError exception and takes ownership if own is True""" if not own: error = error.copy() self = cls() self._error = error return self
Takes a version string or tuple and raises ValueError in case the passed version is newer than the current version of pgi. Keep in mind that the pgi version is different from the pygobject one. def check_version(version): """Takes a version string or tuple and raises ValueError in case the passed vers...
Call before the first gi import to redirect gi imports to pgi def install_as_gi(): """Call before the first gi import to redirect gi imports to pgi""" import sys # check if gi has already been replaces if "gi.repository" in const.PREFIX: return # make sure gi isn't loaded first for m...
Adds specified panel class to model class. :param model: the model class. :param panel_cls: the panel class. :param heading: the panel heading. :param index: the index position to insert at. def add_panel_to_edit_handler(model, panel_cls, heading, index=None): """ Adds specified panel class to...
Returns context dictionary for view. :rtype: dict. def get_context_data(self, **kwargs): """ Returns context dictionary for view. :rtype: dict. """ #noinspection PyUnresolvedReferences query_str = self.request.GET.get('q', None) queryset ...
Returns ordering value for list. :rtype: str. def get_ordering(self): """ Returns ordering value for list. :rtype: str. """ #noinspection PyUnresolvedReferences ordering = self.request.GET.get('ordering', None) if ordering not in ['title', '-created_at...
Returns queryset instance. :rtype: django.db.models.query.QuerySet. def get_queryset(self): """ Returns queryset instance. :rtype: django.db.models.query.QuerySet. """ queryset = super(IndexView, self).get_queryset() search_form = self.get_search_form() ...
Returns search form instance. :rtype: django.forms.ModelForm. def get_search_form(self): """ Returns search form instance. :rtype: django.forms.ModelForm. """ #noinspection PyUnresolvedReferences if 'q' in self.request.GET: #noinspection PyUnresolve...
Returns a list of template names for the view. :rtype: list. def get_template_names(self): """ Returns a list of template names for the view. :rtype: list. """ #noinspection PyUnresolvedReferences if self.request.is_ajax(): template_name = '/results...
Returns tuple containing paginator instance, page instance, object list, and whether there are other pages. :param queryset: the queryset instance to paginate. :param page_size: the number of instances per page. :rtype: tuple. def paginate_queryset(self, queryset, page_size): "...
Processes an invalid form submittal. :param form: the form instance. :rtype: django.http.HttpResponse. def form_invalid(self, form): """ Processes an invalid form submittal. :param form: the form instance. :rtype: django.http.HttpResponse. """ meta = ge...
Processes a valid form submittal. :param form: the form instance. :rtype: django.http.HttpResponse. def form_valid(self, form): """ Processes a valid form submittal. :param form: the form instance. :rtype: django.http.HttpResponse. """ #noinspection PyA...
Returns redirect URL for valid form submittal. :rtype: str. def get_success_url(self): """ Returns redirect URL for valid form submittal. :rtype: str. """ if self.success_url: url = force_text(self.success_url) else: url = reverse('{0}:i...
Processes deletion of the specified instance. :param request: the request instance. :rtype: django.http.HttpResponse. def delete(self, request, *args, **kwargs): """ Processes deletion of the specified instance. :param request: the request instance. :rtype: django.http...
Returns chunks of n length of iterable If len(iterable) % n != 0, then the last chunk will have length less than n. Example: >>> chunked([1, 2, 3, 4, 5], 2) [(1, 2), (3, 4), (5,)] def chunked(iterable, n): """Returns chunks of n length of iterable If len(iterable) % n != 0, then the la...
Return explanation in an easier to read format Easier to read for me, at least. def format_explanation(explanation, indent=' ', indent_level=0): """Return explanation in an easier to read format Easier to read for me, at least. """ if not explanation: return '' # Note: This is prob...
Return a elasticsearch Elasticsearch object using settings from ``settings.py``. :arg overrides: Allows you to override defaults to create the ElasticSearch object. You can override any of the arguments isted in :py:func:`elasticutils.get_es`. For example, if you wanted to create an Elasti...
Wrap a callable and return None if ES_DISABLED is False. This also adds an additional `es` argument to the callable giving you an ElasticSearch instance to use. def es_required(fun): """Wrap a callable and return None if ES_DISABLED is False. This also adds an additional `es` argument to the callable...
Returns the elasticsearch Elasticsearch object to use. This uses the django get_es builder by default which takes into account settings in ``settings.py``. def get_es(self, default_builder=get_es): """Returns the elasticsearch Elasticsearch object to use. This uses the django get_es b...
Returns the list of indexes to act on based on ES_INDEXES setting def get_indexes(self, default_indexes=None): """Returns the list of indexes to act on based on ES_INDEXES setting """ doctype = self.type.get_mapping_type_name() indexes = (settings.ES_INDEXES.get(doctype) or ...
Returns the doctypes (or mapping type names) to use. def get_doctypes(self, default_doctypes=None): """Returns the doctypes (or mapping type names) to use.""" doctypes = self.type.get_mapping_type_name() if isinstance(doctypes, six.string_types): doctypes = [doctypes] return...
Gets the index for this model. The index for this model is specified in `settings.ES_INDEXES` which is a dict of mapping type -> index name. By default, this uses `.get_mapping_type()` to determine the mapping and returns the value in `settings.ES_INDEXES` for that or ``setting...
Returns the queryset of ids of all things to be indexed. Defaults to:: cls.get_model().objects.order_by('id').values_list( 'id', flat=True) :returns: iterable of ids of objects to be indexed def get_indexable(cls): """Returns the queryset of ids of all things to b...
Create an elasticsearch `Elasticsearch` object and return it. This will aggressively re-use `Elasticsearch` objects with the following rules: 1. if you pass the same argument values to `get_es()`, then it will return the same `Elasticsearch` object 2. if you pass different argument values to `g...
Returns facet counts as dict. Given the `items()` on the raw dictionary from Elasticsearch this processes it and returns the counts keyed on the facet name provided in the original query. def _facet_counts(items): """Returns facet counts as dict. Given the `items()` on the raw dictionary from Ela...